API Development Professionals & Consultants

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API Development Job Cost Overview

Typical total cost of Upwork API Development projects based on completed and fixed-price jobs.

Upwork API Development Jobs Completed Quarterly

On average, 377 API Development projects are completed every quarter on Upwork.

377

Time to Complete Upwork API Development Jobs

Time needed to complete a API Development project on Upwork.

Average API Development Freelancer Feedback Score

API Development Upwork freelancers typically receive a client rating of 4.66.

4.66
Last updated: May 1, 2015
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  1. Maxim Vorobey

    Maxim Vorobey

    Senior Software Engineer/Architect

    Russia - Last active: 21 hours ago - Tests: 3

    I am a web application developer specializing in PHP/JS with 15 years of experience. strong OOP knowledge, MVC etc php, mysql, html, css, less, js, coffeescript twitter bootstrap, jquery, backbone.js, angular.js ajax, json, xml C/C++/Objective-C (just for fun) load balancing, big data, high traffic data scraping, data parsing saas, soap, rpc, rest phpunit, phpspec, tdd, bdd, xdebug symfony, symfony2, zend2, doctrine2, bitrix mysql, postgre, mongo (clustering, replications) memcached, redis, rabbitmq, sphinx ubuntu/debian/centos/archlinux/osx nginx, lighthttpd, node.js, apache2 git, mercurial, svn opengl, glsl api: paypal, facebook, twitter, livejournal, vkontakte, jira, mailchimp, mandrill, zendesk, amazon aws agile/scrum: jira, redmine https://github.com/n3b

    $69.00 /hr
    2,363 hours
    5.00
  2. Alexander Kozlov

    Alexander Kozlov

    Top level professional Architect and SW engineer

    Russia - Last active: 29 days ago - Tests: 21 - Portfolio: 5

    Make things done! I'm a professional C/C++ developer with more than 12 years of experience. I have been working both for a companies from Fortune 500 list, and a small local companies. My core competency lies in the world of mobile applications, SaaS and PaaS, desktop software and games development. I love to do my work right and really enjoy being respected for the things i do.

    $55.56 /hr
    1,772 hours
    5.00
  3. Alexander Miloradov

    Alexander Miloradov

    ASP.NET and C# Senior developer / Architect

    Russia - Last active: 21 hours ago - Tests: 11 - Portfolio: 13

    ● More than 10 years of experience on the .NET stack. ASP.NET MVC sites (frontend and backend), desktop applications, any tasks using the best ways to solve. ● Use the best practices for building a correct and extensible architecture and high-quality code. Patterns, unit testing, any source control systems, team working. ● Always in touch, reliable, self-motivated and goal oriented. Provide steady work progress with maximum productivity of each hour of work.

    $44.44 /hr
    3,595 hours
    4.77
  4. Dolly Aswin Harahap

    Dolly Aswin Harahap

    Full Stack PHP Developer, LINUX, MySQL, MongoDB, PHPUnit, Vagrant

    Indonesia - Last active: 1 day ago - Tests: 9 - Portfolio: 2

    I'm Zend Certified Engineer in PHP 5, Zend Framework 1 & 2. Have experience in LAMP about 9 years. And very familiar with UNIX environment. I use Ubuntu LINUX before and now I use Mac daily. I'm able to work with native PHP or use PHP Framework. I'm very experience in web application or creating an API for web application or use API from public API like Facebook, Google, Twitter, etc. I'm also experience in PHP Quality Assurance tools like PHPUnit, PHPCodeSniffer, PHPMD (Mess Detector) etc. And I'm also familiar with SCM (Source Code Management) like Git and SVN. Another skills I have are Doctrine ORM (I use this since 1.2 until Doctrine 2 now) and ODM, HTML5, jQuery, Apache, MySQL, sQlite, MongoDB, Vagrant, Zend Server, Zend Studio, and some Agile tools like JIRA, Continues Integration and Automation Build (e.g. Jenkins, Shippable) I also share my code with ZF 2 and MongoDB in github. You can check here https://github.com/dollyaswin/pyro/ So, please do not hesitate me. I'm experience on this field. And I'm Certified Developer. I'm very familiar with US Company, and my latest project is as Team Leader on US Auction Company. You can check my profile here So, please do not hesitate me. You can check my profile here http://www.zend.com/en/yellow-pages/ZEND010294 https://www.linkedin.com/in/dollyaswin https://github.com/dollyaswin

    Groups: Zend Certified Engineers

    $33.50 /hr
    3,854 hours
    4.64
  5. Nik Vashenko

    Nik Vashenko Agency Contractor

    iOS / iPhone / iPad / Objective C / Java / Android / Mobile Developer

    Russia - Last active: 21 hours ago - Tests: 10 - Portfolio: 5

    Over the past 8 years, I've achieved mastery of C, C++, Objective C, Cocoa, Cocos2D, MySQL, PostgreSQL, SQLite. Currently I am studying Android, Java, Titanium and Sencha Touch. My core competency is complete end-to-end management of mobile application development projects. My clients have primarily been startup companies and very large agencies; I have worked for a lot of big companies as well as the F500 incl I know how to get your project done across the finish line, and how to refactor and scale your projects without throwing out the whole codebase. I have all necessary devices to develop and test your application: All iPhones and iPads, a lot of Andoird phones and tablets, iMac. I understand how important trust, communication and deadlines all are. I'll be glad to help you. Best regards, Nik.

    Associated with: Lodoss team

    $35.00 /hr
    4,668 hours
    5.00
  6. Branislav Bujisic

    Branislav Bujisic Agency Contractor

    Drupal guy

    Serbia - Last active: 13 days ago - Tests: 5 - Portfolio: 3

    I build accessible and standard compliant websites using such a wonderful technologies as HTML5, CSS3, unobtrusive and well structured JavaScript, MySql and PHP with Drupal CMS providing security and modularity.

    Groups: Drupal

    Associated with: Circle Web Foundry

    $50.00 /hr
    2,060 hours
    4.89
  7. Montier Elliott

    Montier Elliott

    Javascript Developer

    United States - Last active: 4 months ago - Tests: 4 - Portfolio: 3

    Montier Elliott is a professional Javascript Developer with 7 years of web development and interaction design experience. His prize work is what he is able to accomplish in building javascript applications. With a proven record in solving technical obstacles; Elliott prides himself in being a problem solver.

    $45.00 /hr
    59 hours
    5.00
  8. Forhadur R.

    Forhadur R.

    Full-Stack, Backend Web Developer

    Bangladesh - Last active: 21 hours ago - Tests: 13 - Portfolio: 4

    I have over 4 years of experience in web developing. Developed sites from scratch with Node.js or Laravel. Have authored many Wordpress plugins. Looking for long-term opportunities to build websites from ground up with MEAN/RoR/Laravel. Technologies I usually play around with: Backend: • NodeJS / MEAN • Laravel/ CodeIgniter/ PyroCMS / CakePHP • Ruby on Rails • Wordpress Plugins • Node-Webkit • CasperJS, PhantomJS • Git, Git Workflows, SVN API Development • Swagger • Loopback.io Database: • MongoDB • MySQL • PostgreSQL Frontend: • AngularJS • BackboneJS • Websockets Server Administration • LAMP/LEMP • Vagrant • Apache, Apache Bench, Nginx

    Groups: Application Developers Alliance, Bluehost Developers and Designers...

    $25.00 /hr
    1,138 hours
    4.99
  9. Ankit Sharma

    Ankit Sharma

    Freelance - Full Stack Software Engineer

    India - Last active: 1 day ago - Tests: 16 - Portfolio: 5

    Over the past 5+ years working as freelance Software Engineer/Front End Developer/Web Programmer, I have worked on various technologies to develop web and desktop solutions for startups, SMBs and Inc 500 companies. My core competency lies in providing insights not just to the website, but to the business as a whole as well as provide complete end-to-end management, not limited to development of a website or software project. I am seeking opportunities to build solutions from the ground up or manage existing for you or your business. I have a good eye for design and SEO knowledge. Skills: * ASP.NET, C#.NET, PHP * NoSQL, MSSQL, MySQL, Oracle * Zend Framework * HTML, HTML5, XHTML, XML * Javascript, jQuery, Yepnope, Require js, r.js, Backbone js, Angularjs, Modernizr * CSS, CSS3, Less, Grunt, Node, Npm, Bootstrap, Responsive Media Queries * Joomla, Wordpress, Magento, ProductCart, UltraCart, Bigcommerce * PhotoShop, Illustrator * Amazon Web Services EC2, SES, SNS, S3, Beanstalk, RDS, CloudFront, Route 53 * WPF, XAML, Google Sites, Apps, App Scripts, Git, SVN * Rich Snippets based on schema * RESTful API Development and Integration for Web and Mobile Apps I have practical programming experience of more than 10 years, spanning from 11th grade to my graduation during which I created softwares for School, College, Companies and also few useful tools for personal use & Friends. Thanks --- Few tools, websites, frameworks, sdk, anything I have recently worked on or have knowledge of: Slack, Stripe SDK, ZF2, Quickbooks SDK, Bigcommerce SDK, Fedex/UPS Webservice, EDI, Magic Members WP Plugin, Zend Studio, Laravel, Parse, Cloud Code, Composer, Bower, Yeoman, Sendy, Github, Bitbucket, WAMP, XAMPP, Dropbox, AWS Beanstalk Worker, Wrapbootsrap themes, Themeforest themes, Putty, SSH, Cpanel, WHM.

    $64.00 /hr
    1,652 hours
    4.98